﻿#region MIT License
/*
 * MIT License
 *
 * Copyright (c) 2017 - 2023 Krypton Suite
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */
#endregion

namespace Krypton.Toolkit.Suite.Extended.Navi.Suite
{
    [ToolboxItem(false)]
    public class NaviCheckedListBox : CheckedListBox
    {
        private int checkBoxWidth = 18;
        private bool checkHandled = false;
        private bool itemChecked;

        protected override void OnItemCheck(ItemCheckEventArgs ice)
        {
            base.OnItemCheck(ice);
            if (checkHandled)
            {
                if (itemChecked)
                {
                    ice.NewValue = CheckState.Checked;
                }
                else
                {
                    ice.NewValue = CheckState.Unchecked;
                }
            }
        }

        protected override void OnMouseDown(MouseEventArgs e)
        {
            base.OnMouseDown(e);
            checkHandled = false;
            if (e.Button == MouseButtons.Left)
            {
                int index = -1;
                for (int i = 0; i < Items.Count; i++)
                {
                    if (GetItemRectangle(i).Contains(e.X, e.Y))
                    {
                        index = i;
                        break;
                    }
                }
                if (index != -1 && e.X <= checkBoxWidth)
                {
                    itemChecked = !GetItemChecked(index);
                    checkHandled = true;
                    SetItemChecked(index, itemChecked);
                }
            }
        }
    }
}